Put-Call Ratio (Volume) (20-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

ACADIA Pharmaceuticals Inc. (ACAD) had 20-Day Put-Call Ratio (Volume) of 1.5862 for 2026-06-04.

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Figures for 2026-06-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3041
Historical Volatility (Parkinson)	0.3029
Implied Volatility (Calls)	0.3756
Implied Volatility (Puts)	0.4231
Implied Volatility (Mean)	0.3993
Put-Call Implied Volatility Ratio	1.1265
Implied Volatility Skew	0.3497
Option Statistics
Put-Call Ratio (Volume)	1.5862
Put-Call Ratio (Open Interest)	0.4335